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Product detail:Specifications : Focal Length & Maximum Aperture 70 - 200mm f/4 Lens Construction 20 elements in 15 groups Diagonal Angle of View 34°- 12°(with full-frame cameras) Focus Adjustment AF with full-time manual Closest Focusing Distance 3.94 ft. / 1.2m Zoom System 7-group helical zoom (rotational angle: 72°) Filter Size 67mm Max. Diameter x Length, Weight 3.0 x 6.8 in./76 x 172mm 26.8 oz./760g (lens only)
